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A construction method for solidified pile embankment with dredging fill

A construction method and soil filling technology, which can be used in infrastructure engineering, roads, roads, etc., can solve the problems of hindering the pace of engineering construction, inaccessible construction machinery, low permeability and strength, etc. The effect of the scarcity of stone resources and the reduction of processing costs

Active Publication Date: 2018-06-19
宁波高新区围海工程技术开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Due to fine soil particles, large void ratio, high water content, strong plasticity, low permeability and low strength, the dredged fill mud in tidal flats has extremely low foundation bearing capacity, which will cause ordinary construction machinery to fail Enter the site for foundation treatment, which seriously hinders the pace of engineering construction

Method used

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  • A construction method for solidified pile embankment with dredging fill
  • A construction method for solidified pile embankment with dredging fill
  • A construction method for solidified pile embankment with dredging fill

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Embodiment 1

[0028] see figure 1 and figure 2 As shown, they are respectively the pile position section view of the dredger fill soil solidified pile subgrade of the present invention and the pile position plan view of the dredger fill soil solidified pile subgrade in this embodiment.

[0029] combine figure 1 and figure 2 Shown, a kind of dredging fill solidified pile embankment is made up of short pile 1 and long pile 2, and the pile heads of described short pile 1 and described long pile 2 are on the same horizontal plane, and described short pile 1 and described long pile 2. An upper overall solidified pile structure and a lower deep solidified pile structure arranged at intervals are formed. The integral solidified pile meets the requirement of bearing capacity, and the deep layer solidified pile meets the requirement of settlement.

[0030] Such as figure 2 As shown, the pile position layout of a kind of dredging soil curing pile embankment is the layout of row A and the layou...

Embodiment 2

[0034] As above-mentioned a kind of dredging fill solidified pile embankment, the difference of this embodiment is that, as image 3 Shown, it is the flow chart of the construction method of dredger fill solidified pile embankment of the present invention, and the construction method of described dredge fill solidified pile embankment comprises the following steps:

[0035] S1: According to the geological survey report and relevant engineering experience, design the standard value of the compressive strength of the solidified soil, the solidification depth and the radius of the solidified pile of the long pile and the short pile, and then calculate and check the characteristic value of the bearing capacity of the subgrade and the post-construction settlement , to determine the design parameters that meet the requirements.

[0036] The characteristic value of the bearing capacity of the subgrade includes the characteristic value of the bearing capacity of the surface of the so...

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Abstract

The invention provides a dredger fill solidification pile roadbed and a construction method thereof. The dredger fill solidification pile roadbed comprises a deep layer solidification pile composed of a short pile and a long pile, and an upper integrated solidification pile and a lower part are arranged at interval. The construction method comprises the following steps: S1: determining design parameters meeting the requirements; S2: screening formulas of at least two curing agents and doping amounts of the curing agents; S3: determining the formula of one curing agent and the doping amount of the curing agent, and construction parameters of construction equipment; S4: according to the determined parameters, implementing the dredger fill solidification pile roadbed; and S5: detecting the quality, rechecking the formula of the curing agent, the doping amount of the curing agent and the construction parameters. The dredger fill solidification pile roadbed and the construction method thereof have the beneficial effects that dredger fill sludge can be rapidly solidified in a short period and the roadbed obtained by construction meets the requirements on a bearing capability and after-construction settlement; the construction cost is also reduced and the project construction period is shortened.

Description

technical field [0001] The invention relates to the field of reclamation engineering, in particular to a dredger fill solidified pile embankment and a construction method thereof. Background technique [0002] With the rapid development of my country's coastal economy and the sharp increase in the demand for construction land, tidal flat reclamation has become a major measure to solve land problems and develop the national economy. However, the treatment of tidal mud has become a thorny problem in engineering construction, especially mud flat The treatment of the dredger filled soil subgrade has become a major factor affecting the progress of the project. [0003] Due to fine soil particles, large void ratio, high water content, strong plasticity, low permeability and low strength, the dredged fill mud in tidal flats has extremely low foundation bearing capacity, which will cause ordinary construction machinery to fail Enter the site for foundation treatment, which seriously...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01C3/04E02D27/12E02D5/46
CPCE01C3/04E02D5/46E02D27/12
Inventor 郑敬云李林云俞元洪陈富强张伟芳曹俊杰金礼祥郑恩喜余朝伟杨娜杨国娜
Owner 宁波高新区围海工程技术开发有限公司
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